此版本的新增功能

## September Update ### Functional Update + Supports canceling the game launch task #207 + Supports canceling the download task and game installation task #234 ### Bug Fixes + Fixed the error caused by the non-existence of the Saves folder #276 + Fixed the error of multiple navigation pages #267 + Fixed the problem that the process could not be forced to exit after launching the game with some special Java + Fixed the problem that the version was not backward compatible when Java was automatically selected + Fixed some crash problems ### Appearance Modification + Added narrow margin mode, which automatically applies narrow margins when the window width is small + Added sliding animations for some pages + Redrawn the progress report and status UI of the launch task, download task, and installation task ### Technical Update + FluentCore game dependency parsing, game body parsing, and startup parameter generation code are all refactored @gaviny82 + The game launch process and game installation process are all asynchronous @gaviny82 @natsurainko + Setting service refactoring, using C# New Features @gaviny82 ### Function Adjustment + The core nickname function is temporarily unavailable